<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>吕晴雯的快乐乐园</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }
        
        div {
            width: 100vw;
            height: 100vh;
            background-color: pink;
            color: white;
            font-size: 50px;
            text-align: center;
        }
    </style>
</head>

<body>
    <div>欢迎来到姚仟的快乐世界</div>
</body>

</html>